Which of the following statements is true about the division expression 686.54 ÷ a? a. if a is a number greater than 686.54, the quotient will be greater than 1. b. if a is a number greater than 1, the quotient will be greater than 686.54. c. if a is a number between 0 and 1, the quotient will be less than 686.54. d. if a is a number between 0 and 1, the quotient will be greater than 686.54. will give brainliest

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average